نتایج جستجو برای: parotid gland cancer

تعداد نتایج: 977942  

Journal: :Traitement Du Signal 2021

Manual assessment of parotid gland status from magnetic resonance imaging is a subjective, time consuming and error prone process. Automatic image analysis methods offer the possibility to get consistent, objective rapid diagnoses tumor. In this kind cancer, large variety in their characteristics, that brings various difficulties for traditional methods. paper, we propose an automatic method pe...

2017
Chaogang Yang Bin Xiong

Parotid gland metastasis of lung cancer is extremely rare, especially as the only metastatic site of lung adenocarcinoma, no case has been reported. We sum up the experiences of missed-diagnosis through analyzing the diagnosis and management process of a 66-year-old Chinese male patient retrospectively who presented with parotid gland metastases of lung adenocarcinoma and reviewed related liter...

  Tannins are plant-derived polyphenolic compounds that are widely found in foods, particularly in fruits and beverages. These materials are water-soluble and able to precipitate proteins from aqueous solutions. It had been shown that feeding some animals such as rat and mouse with tannins mimicks the effects of isoproterenol on salivary glands. Tannins stimulate β-receptors by some indirect me...

Journal: :Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale 2007
F Maffini R Fasani D Petrella E Maiorano R Bruschini G Pelosi G Viale

The unusual case is described of a benign parotid gland neoplasm with intermingled sebaceous and lymphoid tissue, synchronous to breast cancer. In the past, the patient had undergone a simple surgical procedure for a cystic parotid gland lesion in that same gland. Secondary neoplasms have only occasionally been reported, since there are few cases for corroborating the strong correlation between...

Ryan Rebello Ryan Yu,

Introduction: Solitary fibrous tumor is a rare, mesenchymal neoplasm that has been reported in numerous sites. Occurrence in the parotid gland is exceedingly rare.   Case Report: A 53-year-old man with a 2 cm solitary fibrous tumor of the left parotid gland, that was observed clinically and operatively and thought to be a neoplasm arising from Stensen's duct, is described. A pre-operative CT sc...

2017

Choroidal metastasis rarely reveals a primary cancer. At this stage, they are associated with multiple metastases. Adenoid cystic carcinoma also known as cylindroma is very rare and constitutes 1% of major and minor salivary glands malignancies. In the parotid gland, the ACC is relatively rare, constituting only 2–3% of all tumors. The purposes of this study are to report the first case of paro...

Journal: :Turkish journal of medical sciences 2014
Mei Yong Ling Yang Qimuge Suyila Wenyan Han Hongwei Yuan Cheng Zhao Xiulan Su

BACKGROUND/AIM To investigate the expression of P53, P63, and P73 proteins in malignant parotid gland tumors and adjacent nonneoplastic tissues and the association between the 3 proteins and their clinical characteristics. MATERIALS AND METHODS A total of 40 pairs of paraffin-embedded malignant parotid gland tumors and adjacent nonneoplastic tissues were collected. We detected P53, P63, and P...

Dariyush Shahbazi-Gahrouei Ehsan Khodamoradi Kourosh Ziaie Zahra Shahi

  Introduction:  The use of radioactive iodine (131I) has become an important adjunct to the treatment of thyroid cancer and hyperthyroidism. Salivary gland has the ability to concentrate radioactive iodine under normal circumstances. Salivary gland dysfunction and dry mouth are the common side effectsof high-dose radioiodine therapy. The purposeof this stu...

Journal: :AJNR. American journal of neuroradiology 2011
N D Patel A van Zante D W Eisele H R Harnsberger C M Glastonbury

Parotid gland oncocytoma is an uncommon, benign salivary neoplasm composed of mitochondria-rich oncocytes. The purpose of this study was to correlate MR imaging and histopathology of parotid gland oncocytomas and to define the features that may distinguish these neoplasms from other benign and malignant parotid gland tumors. The MR imaging features in 9 patients with a pathologic diagnosis of o...

2011
Jeremias Hey Juergen Setz Reinhard Gerlach Martin Janich Guido Hildebrandt Dirk Vordermark Christian R Gernhardt Thomas Kuhnt

BACKGROUND The aim of the present study was to evaluate the recovery potential of the parotid glands after using either 3D-conformal-radiotherapy (3D-CRT) or intensity-modulated radiotherapy (IMRT) by sparing one single parotid gland. METHODS Between 06/2002 and 10/2008, 117 patients with head and neck cancer were included in this prospective, non-randomised clinical study. All patients were ...

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